SqlMap = {
    "list": "SELECT id,user,punch_time,record_time FROM punch;",
    "info": "SELECT id,user,punch_time,record_time FROM punch limit 1;",
    "create": "INSERT INTO punch (user,punch_time,record_time)"
              " VALUES ('{user}','{punch_time}','{record_time}');",
    "delete": "DELETE FROM user WHERE id = '{id}';",
    "edit": """UPDATE user SET user = '{user}',punch_time = '{punch_time}',record_time = '{record_time}' WHERE username = '{username}';""",
    "overtime":"SELECT id,user,punch_time,record_time FROM punch WHERE punch_time>record_time and user = '{user}';"
}
